//
//  NSObject+BBKvo.h
//  自定义KVO
//
//  Created by 崔博 on 2017/12/25.
//  Copyright © 2017年 崔博. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSObject (BBKvo)


- (void)bb_addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options context:(nullable void *)context;
@end
